Function env

packages/core/lib/env.js:14–24

* Applies an array of webpack blocks only if `process.env.NODE_ENV` matches the * given `envName`. If no `NODE_ENV` is set, it will be treated as 'development'. * * @param {string} envName Environment name like 'development', 'production' or 'testing'. * @param {Function[]} configSett

(envName, configSetters)

 * @return {Function}
 */
function env(envName, configSetters) {
  assertConfigSetters(configSetters)

  const currentEnv = process.env.NODE_ENV || 'development'

  if (currentEnv !== envName) {
    return () => config => config
  } else {
    return group(configSetters)
  }
}